TF8888-3 includes: 6 parts - Left side is Copy 1/D, 1/D, blank, blank - Right side is Copy A For SSA, Copy B To be filed with Employee's Federal Tax Return, Copy 2 To be filed with Employee's State, City or Local Income Tax Return, and Copy C For Employee's Records

TF8888-4 includes: 8 parts - Left side is Copy 1/D, 1/D, 1/D, blank, blank - Right side is Copy A For SSA, Copy B To be filed with Employee's Federal Tax Return, Copy 2 To be filed with Employee's State, City or Local Income Tax Return, Copy 2 To be filed with Employee's State, City or Local Income Tax Return, and Copy C For Employee's Records